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0001 This package is designed to subtract jets using the jet multiplicity method, the iterative method and the area method and saves resulting momentum to TTree.
0002
0003
0004 # Building
0005 1. Build the package in the [usual way](https://wiki.bnl.gov/sPHENIX/index.php/Example_of_using_DST_nodes#Building%20a%20package):
0006
0007 * Make a build directory inside the src directory:
0008
0009 cd src
0010 mkdir build
0011 cd build
0012
0013 * Setup the sPHENIX environment and install paths:
0014
0015 source /opt/sphenix/core/bin/sphenix_setup.csh -n (source /opt/sphenix/core/bin/sphenix_setup.sh)
0016 setenv MYINSTALL ~/install (export MYINSTALL=~/install)
0017 source /opt/sphenix/core/bin/setup_local.csh $MYINSTALL (source /opt/sphenix/core/bin/setup_local.sh $MYINSTALL)
0018
0019 * Compile your code:
0020
0021 /PATH_TO_YOUR_SOURCE_DIR/autogen.csh --prefix=$MYINSTALL (/PATH_TO_YOUR_SOURCE_DIR/autogen.sh --prefix=$MYINSTALL)
0022 make -j 4
0023 make install
0024
0025 2. Run the code using the Fun4All macro:
0026
0027 * Go to the macro directory:
0028
0029 cd ../../macro
0030
0031 * Get some files to run on using CreateFileList.pl, for example to get 1000 events of pythia dijets embeded in minimum bias HIJING:
0032
0033 CreateFileList.pl -n 1000 -type 11 -embed DST_CALO_CLUSTER DST_TRUTH_JET DST_GLOBAL
0034
0035 * Test run using Fun4All. The Fun4All macro takes in input file lists for the truth jet and calo cluster DSTs. For example, you can run:
0036
0037 root -b -q 'Fun4All_JetBkgd.C("dst_truth_jet.list", "dst_calo_cluster.list", "dst_global.list", "output.root", 0.4)'
0038
0039 * This will create an output file containing all the necessary information for the histogram making.
0040 ## Options in JetBkgdSub
0041 There are a few options you can specify in the Fun4All macro for the JetBkgdSub module:
0042 * setPtRange(low, high): set the pt range of TRUTH jets you are interested in keeping in your tree
0043 * setEtaRange(low, high): set the eta range of TRUTH jets you are interested in keeping in your tree
0044 * add_input(string): add jet input to the tree. The string should be the name of the tower input.
0045 * doIterative(bool): Saves iterative background subtracted jets to the tree
0046 * doAreaSub(bool): Saves area background subtracted jets to the tree
0047 * doMultSub(bool): Saves multiplicity background subtracted jets to the tree
0048 * doTruth(bool): Saves truth jets to the tree
0049 * setMinRecoPt(float): Sets the minimum pt of the reconstructed jet to be saved to the tree
0050
0051
0052
0053 # Questions/suggestions
0054 This package is a work in progress, so please send any questions, bugs, or suggestions for new features to Tanner Mengel (tmengel@vols.utk.edu)
